So yesterday’s level translator left something to be desired. Today I made up a new one that uses two transistors instead of one. Each of the transistors is used as an inverting switch, which is why I needed two stages to...

One of the challenges I’m pretty sure to run into setting up the Wall of Awesome is interfacing 3.3V to 5V logic. The Raspberry Pi runs on 3.3V, and the LED strips need 5V signaling. So I did a bit of googling about this,...